EPA Method 525.2 Pesticide Level 1 Back Catalog number: 92846 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0845.29-100-IO (24R)-24-Ethylcholest-2-ene, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 69088-87-5 Price on request 675036 Tylosin B, 10mg Price on request 92908 2-Methylpentane & 1,2,4-Trimethylbenzene Price on request